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- youssef1Cumulonimbus
Hi,
the best way is to checked this logs (/var/log/secure):
you can see all user that logged to F5 (successfull or faillure): below an example:
tailf /var/log/secure Aug 30 20:32:06 f5name notice unix_chkpwd[26643]: password check failed for user (admin) Aug 30 20:32:06 f5name notice httpd[13636]: pam_unix(httpd:auth): authentication failure; logname= uid=48 euid=48 tty= ruser= rhost=172.20.1.20 user=admin Aug 30 20:32:08 f5name info httpd(pam_audit)[13636]: User=admin tty=(unknown) host=172.1.1.1 failed to login after 1 attempts (start="Thu Aug 30 20:32:06 2018" end="Thu Aug 30 20:32:08 2018").
What i done is in my infra, i send this logs using syslog then i set up a notification (Kibana/elasticsearch) to notify me as soon as a faillure occur.
You can also do check direcly in the log files...
Hope it help you.
regards,